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DFT Engineer Interview Questions

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  1. Q1057ASIC FlowOrder the digital ASIC implementation flowDesign · Physical DesignEasyP
  2. Q899DFTScan shift versus captureDFT · ScanEasyP
  3. Q453DFTGenerate a scan shift-capture sequenceDFT · ScanMediumP
  4. Q163DFTEight-bit scan-chain RTLDFT · ScanMedium
  5. Q091DFT and Physical DesignSummarize one 32-bit scan-unload mismatchDesign · DFTEasy
  6. Q246DFT and Physical DesignFour-bit JTAG instruction registerDesign · DFTMediumP
  7. Q386DFTArchitect scan, MBIST, and JTAG accessDesign · DFTHardP
  8. Q396DFT and Physical DesignContain unknowns before scan compactionDesign · DFTMediumP
  9. Q514DFT and Physical DesignModel a four-bit MISR signatureDesign · DFTMediumP
  10. Q689DFT and Physical DesignDetect a transition-delay fault at speedDesign · DFTMediumP
  11. Q511DFT and Physical DesignFind each scan chain's first failing patternDesign · DFTHardP
  12. Q568DFT and Physical DesignDrive a complete March C-minus memory testDesign · DFTHardP
  13. Q317Physical Design and DFTChoose a pattern for an adjacent-row disturb faultDesign · DFTEasyP
  14. Q978Physical Design and DFTChoose the operation that exposes a stuck-at-zero SRAM cellDesign · DFTEasyP
  15. Q1038Formal VerificationFind vectors that expose internal stuck-at faultsDV · DesignMediumP
  16. Q1099Formal VerificationTest 128 lines for stuck faults and pairwise shortsDV · DesignHardP
  17. Q1053Physical Design and DFTScan-shift testbench modelDesign · DFTMediumP
  18. Q1113Physical Design and DFTCount unique detected faultsDesign · DFTMediumP
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DFT Engineer interview preparation

Prepare for DFT engineer interviews with curated questions on scan, ATPG, MBIST, JTAG, compaction, X containment, at-speed testing, and diagnosis.

Connect scan architecture, ATPG fault models, memory test, JTAG access, response compaction, X containment, at-speed timing, diagnosis, and implementation signoff.